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89C5131 - AT89C5131

General Description

AT89C5131 is a high-performance Flash version of the 80C51 single-chip 8-bit microcontrollers with full speed USB functions.

Key Features

  • 80C52X2 Core (6 Clocks per Instruction).
  • Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode.
  • Dual Data Pointer.
  • Full-duplex Enhanced UART (EUART).
  • Three 16-bit Timer/Counters: T0, T1 and T2.
  • 256 Bytes of Scratchpad RAM.
  • 32-Kbyte On-chip Flash In-System Programming through USB or UART.
  • 4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte).
  • On-chip Expanded RAM (ERAM): 1024 Bytes.
  • USB 1.1 and 2.0 Full.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
89C5122 AT89C5122
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Features • 80C52X2 Core (6 Clocks per Instruction) – Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode – Dual Data Pointer – Full-duplex Enhanced UART (EUART) – Three 16-bit Timer/Counters: T0, T1 and T2 – 256 Bytes of Scratchpad RAM • 32-Kbyte On-chip Flash In-System Programming through USB or UART • 4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte) • On-chip Expanded RAM (ERAM): 1024 Bytes • USB 1.1 and 2.